Youichirou Hayashi

Follow

Person

Fujisawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Sliding member of graphite-metal borides
- Patent number 4,720,349
- Issue date Jan 19, 1988
- The Agency of Industrial Science and Technology
- Kazuo Kobayashi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES